canvas/source/cairo/cairo_canvasbitmap.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _CAIROCANVAS_CANVASBITMAP_HXX
  21 #define _CAIROCANVAS_CANVASBITMAP_HXX
  22
  23 #include <cppuhelper/compbase4.hxx>
  24
  25 #include <com/sun/star/lang/XServiceInfo.hpp>
  26 #include <com/sun/star/rendering/XBitmapCanvas.hpp>
  27 #include <com/sun/star/rendering/XIntegerBitmap.hpp>
  28 #include <com/sun/star/beans/XFastPropertySet.hpp>
  29 #include <comphelper/uno3.hxx>
  30
  31 #include <basegfx/vector/b2isize.hxx>
  32
  33 #include <boost/shared_ptr.hpp>
  34
  35 #include <canvas/base/integerbitmapbase.hxx>
  36
  37 #include "cairo_cairo.hxx"
  38 #include "cairo_canvashelper.hxx"
  39 #include "cairo_repainttarget.hxx"
  40 #include "cairo_spritecanvas.hxx"
  41
  42
  43 /* Definition of CanvasBitmap class */
  44
  45 namespace cairocanvas
  46 {
  47     typedef ::cppu::WeakComponentImplHelper4< ::com::sun::star::rendering::XBitmapCanvas,
  48                                               ::com::sun::star::rendering::XIntegerBitmap,
  49                                               ::com::sun::star::lang::XServiceInfo,
  50                                               ::com::sun::star::beans::XFastPropertySet >   CanvasBitmapBase_Base;
  51     class CanvasBitmapSpriteSurface_Base :
  52         public ::canvas::DisambiguationHelper<CanvasBitmapBase_Base>,
  53         public SurfaceProvider
  54     {
  55     };
  56
  57     typedef ::canvas::IntegerBitmapBase<
  58           CanvasBitmapSpriteSurface_Base,
  59           CanvasHelper,
  60           ::osl::MutexGuard,
  61           ::cppu::OWeakObject >                         CanvasBitmap_Base;
  62
  63     class CanvasBitmap : public CanvasBitmap_Base,
  64                          public RepaintTarget
  65     {
  66     public:
  67         /** Create a canvas bitmap for the given surface
  68
  69             @param rSize
  70             Size of the bitmap
  71
  72             @param rDevice
  73             Reference device, with which bitmap should be compatible
  74         */
  75         CanvasBitmap( const ::basegfx::B2ISize& rSize,
  76                       const SurfaceProviderRef& rDevice,
  77                       ::com::sun::star::rendering::XGraphicDevice* pDevice,
  78                       bool                      bHasAlpha );
  79
  80         /// Dispose all internal references
  81         virtual void disposeThis();
  82
  83         // Forwarding the XComponent implementation to the
  84         // cppu::ImplHelper templated base
  85         //                                    Classname     Base doing refcounting        Base implementing the XComponent interface
  86         //                                       |                 |                            |
  87         //                                       V                 V                            V
  88         DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasBitmap, CanvasBitmapBase_Base, ::cppu::WeakComponentImplHelperBase );
  89
  90         // XServiceInfo
  91         virtual OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException);
  92         virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
  93         virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException);
  94
  95         // SurfaceProvider
  96         virtual SurfaceSharedPtr getSurface();
  97         virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, Content aContent = CAIRO_CONTENT_COLOR_ALPHA );
  98         virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap );
  99         virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent );
 100         virtual OutputDevice* getOutputDevice();
 101
 102         // RepaintTarget
 103         virtual bool repaint( const SurfaceSharedPtr&                         pSurface,
 104                               const ::com::sun::star::rendering::ViewState&   viewState,
 105                               const ::com::sun::star::rendering::RenderState& renderState );
 106
 107         // XFastPropertySet
 108         // used to retrieve BitmapEx pointer or X Pixmap handles for this bitmap
 109         // handle values have these meanings:
 110         // 0 ... get pointer to BitmapEx
 111         // 1 ... get X pixmap handle to rgb content
 112         // 2 ... get X pitmap handle to alpha mask
 113         // returned any contains either BitmapEx pointer or array of three Any value
 114         //     1st a bool value: true - free the pixmap after used by XFreePixmap, false do nothing, the pixmap is used internally in the canvas
 115         //     2nd the pixmap handle
 116         //     3rd the pixmap depth
 117         virtual ::com::sun::star::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 nHandle)  throw (::com::sun::star::uno::RuntimeException);
 118         virtual void SAL_CALL setFastPropertyValue(sal_Int32, const ::com::sun::star::uno::Any&)  throw (::com::sun::star::uno::RuntimeException) {}
 119
 120     private:
 121         SurfaceProviderRef        mpSurfaceProvider;
 122         ::cairo::SurfaceSharedPtr mpBufferSurface;
 123         ::cairo::CairoSharedPtr   mpBufferCairo;
 124
 125         const ::basegfx::B2ISize  maSize;
 126         const bool                mbHasAlpha;
 127     };
 128 }
 129
 130 #endif /* _CAIROCANVAS_CANVASBITMAP_HXX */
 131
 132 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */